A superior alloy makes a superior aluminum scuba tank Luxfer Gas Cylinders offers a broad range of high-pressure aluminum scuba cylinders, as well as the world’s only hoop-wrapped composite scuba cylinders. More than 50 years ago, Luxfer developed the world’s first aluminum scuba cylinder in collaboration with the legendary Jacques-Yves Cousteau, inventor of the original Aqua Lung®1 equipment that revolutionized underwater diving.